With nickel-finished lever movement 30 jewels the pavé-set diamond centrefield with baguette-cut sapphire-set numerals on tapered baguette-cut diamond-set chapter ring three blue mother-of-pearl subsidiary dials indicating day combined with 30 minutes register date and month visible three-arm one-minute tourbillon carriage with mono-metallic compensation balance in circular case with tapered baguette-cut diamond-set bezel and calibré-cut sapphire-set outer ring diamond and sapphire-set lugs sapphire-set chronograph buttons and crown in the baguette-cut diamond-set band glazed display back secured by five screws together with an 18k white gold diamond and sapphire-set Piaget buckle case dial and movement signed